A container that usually contains menu elements. On the Macintosh, the menubar is displayed along the top of the screen, and all non-menu related elements inside the menubar will be ignored. To look native (at least on Windows), the menubar element needs to be placed inside a toolbox element.
More information is available in the XUL tutorial.

<menubar id="sample-menubar">
<menu id="action-menu" label="Action">
<menupopup id="action-popup">
<menuitem label="New"/>
<menuitem label="Save" disabled="true"/>
<menuitem label="Close"/>
<menuseparator/>
<menuitem label="Quit"/>
</menupopup>
</menu>
<menu id="edit-menu" label="Edit">
<menupopup id="edit-popup">
<menuitem label="Undo"/>
<menuitem label="Redo"/>
</menupopup>
</menu>
</menubar>
statusbarid of a statusbar element, the label on the statusbar will update to the statustext of the items on the menu as the user moves the mouse over them.accessibleType| Inherited Properties |
menu, menuitem, menulist, menupopup, menuseparatornsIAccessibleProvider